The Pepetools Standard Jeweler's Gauge Ruler is a must-have for professional jewelers, offering precise sizing for both rings and bracelets. Manufactured in the USA from heavy gauge aluminum, this durable ruler is built to last. Its screen-printed markings ensure maximum durability, providing a clear, easy-to-read guide that won't fade with use. Designed to accommodate a wide range of sizes, the ruler includes measurements for ring shanks (sizes 0-17) and bracelet sizes (0-15), covering everyone from babies to large men. Additionally, it features a convenient weight conversion chart for troy ounces, grams, pennyweights, and carats, making it an essential tool for accurate metal weight calculations. Key Features: Material: Heavy gauge aluminum for strength and durability Markings: Screen-printed for long-lasting visibility and easy reading Made in the USA: Precision crafted with quality materials Ring Size Gauge: Sizes 0 to 17, covering a full range of ring sizes Bracelet Size Gauge: Sizes 0 to 15, including all wrist sizes from babies to large adults Weight Conversion Chart: Includes troy ounces, grams, pennyweights, and carats for accurate weight measurements Versatile Use: Perfect for ring and bracelet sizing, designing, and resizing This versatile, durable tool ensures precise measurements and easy usage, making it the perfect addition to any jeweler's toolkit.